Journal
JOURNAL OF APPLIED PHYSICS
Volume 127, Issue 18, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/5.0005818
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Funding
- U.S. Department of Energy by Lawrence Livermore National Laboratory through LLNL's Laboratory Directed Research and Development (LDRD) Program [18-SI-004]
- U.S. Department of Energy, National Nuclear Security Administration [DE-AC52-07NA27344]
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We present laser-driven shock Hugoniot measurements of single-crystal (SC) 1,3,5-triamino-2,4,6-trinitrobenzene (TATB) between 15 and 83GPa, spanning pressures below and well above the Chapman-Jouguet pressure of similar to 28GPa for TATB formulations (TATB grains mixed with plastic binders at 5-10wt.%). The new SC data are generally similar to 3% more compressible than previously published data on neat and formulated TATB measured in gas-gun and explosive-driven experiments. An exception is at compressions in the density of similar to 1.5 ( similar to 30-40GPa), where our new SC data exhibit significantly lower pressures than previous results on overdriven TATB formulations, suggesting that our SC samples remain largely unreacted below 35GPa over the short nanosecond-time scales inherent to our laser-driven experiments. These novel equation-of-state measurements are a critical step toward understanding TATB in its most fundamental form and improving predictive modeling of TATB-based explosives.
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